Home / 122,927.10-184,390.65-81,374.10

Finding the Fourth Proportional to 122,927.10, 184,390.65 and 81,374.10

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Solution

The fourth proportional to 122,927.10, 184,390.65 and 81,374.10 is: 122,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,927.10 : 184,390.65 = 81,374.10 : x
  2. Step 2: Convert to fraction form
    122,927.10/184,390.65 = 81,374.10/x
  3. Step 3: Cross multiply
    122,927.10x = 184,390.65 × 81,374.10
  4. Step 4: Simplify right side
    122,927.10x = 15,004,623,192.17
  5. Step 5: Solve for x
    x = 15,004,623,192.17/122,927.10
  6. Step 6: Final answer
    x = 122,061.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.